package com.kcwx.system.service.impl;

import java.util.ArrayList;
import java.util.List;
import java.util.stream.Collectors;

import javax.validation.Validator;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import org.springframework.util.CollectionUtils;

import com.kcwx.common.annotation.DataScope;
import com.kcwx.common.constant.UserConstants;
import com.kcwx.common.core.domain.entity.SysRole;
import com.kcwx.common.core.domain.entity.SysUser;
import com.kcwx.common.exception.ServiceException;
import com.kcwx.common.utils.SecurityUtils;
import com.kcwx.common.utils.StringUtils;
import com.kcwx.common.utils.bean.BeanValidators;
import com.kcwx.common.utils.spring.SpringUtils;
import com.kcwx.common.core.domain.AdminValid;
import com.kcwx.common.core.domain.vo.SysUserRoleVo;

import com.kcwx.system.domain.SysPost;
import com.kcwx.system.domain.SysUserPost;
import com.kcwx.system.domain.SysUserRole;
import com.kcwx.system.mapper.SysPostMapper;
import com.kcwx.system.mapper.SysRoleMapper;
import com.kcwx.system.mapper.SysUserMapper;
import com.kcwx.system.mapper.SysUserPostMapper;
import com.kcwx.system.mapper.SysUserRoleMapper;
import com.kcwx.system.service.ISysConfigService;
import com.kcwx.system.service.ISysUserService;

import com.kcwx.shareddomain.system.query.SysUserQuery;
/**
 * 用户 业务层处理
 * 
 */
@Service
public class SysUserServiceImpl implements ISysUserService {
	private static final Logger log = LoggerFactory.getLogger(SysUserServiceImpl.class);

	@Autowired
	private SysUserMapper userMapper;

	@Autowired
	private SysRoleMapper roleMapper;

	@Autowired
	private SysPostMapper postMapper;

	@Autowired
	private SysUserRoleMapper userRoleMapper;

	@Autowired
	private SysUserPostMapper userPostMapper;

	@Autowired
	private ISysConfigService configService;

	@Autowired
	protected Validator validator;

	/**
	 * 根据条件分页查询用户列表
	 * 
	 * @param user 用户信息
	 * @return 用户信息集合信息
	 */
	@Override
	@DataScope(deptAlias = "d", userAlias = "u")
	public List<SysUser> selectUserList(SysUserQuery user) {
		List<SysUser> userList = userMapper.selectUserList(user);
		List<SysUserRoleVo> roleList = roleMapper.getAllUserRoleList();
		for (SysUser u : userList) {
			String roleName = "";
			for (SysUserRoleVo r : roleList) {
				if (u.getId() == (long) r.getUserId()) {
					roleName += r.getRoleName() + ",";
				}
			}
			if (StringUtils.isNotBlank(roleName)) {
				roleName = roleName.substring(0, roleName.length() - 1);
			}
			u.setRoleName(roleName);
		}
		return userList;
	}

	/**
	 * 根据条件分页查询已分配角色用户列表
	 * 
	 * @param user 用户信息
	 * @return 用户信息集合信息
	 */
	@Override
	@DataScope(deptAlias = "d", userAlias = "u")
	public List<SysUser> selectAllocatedList(SysUserQuery user) {
		return userMapper.selectAllocatedList(user);
	}

	/**
	 * 根据条件分页查询未分配角色用户列表
	 * 
	 * @param user 用户信息
	 * @return 用户信息集合信息
	 */
	@Override
	@DataScope(deptAlias = "d", userAlias = "u")
	public List<SysUser> selectUnallocatedList(SysUserQuery user) {
		return userMapper.selectUnallocatedList(user);
	}

	/**
	 * 通过用户名查询用户
	 * 
	 * @param userName 用户名
	 * @return 用户对象信息
	 */
	@Override
	public SysUser selectUserByUserName(String userName) {
		SysUser user= userMapper.selectUserByUserName(userName);
		if(user!=null) {
			List<SysRole> userRoles = roleMapper.selectRolesByUserName(userName);
			user.setRoles(userRoles);
		}
		return user;
	}

	/**
	 * 通过用户ID查询用户
	 * 
	 * @param userId 用户ID
	 * @return 用户对象信息
	 */
	@Override
	public SysUser selectUserById(Long userId) {
		SysUser user= userMapper.selectUserById(userId);
		if(user!=null){
			List<SysRole> userRoles=roleMapper.selectRolesByUserName(user.getUserName());
			user.setRoles(userRoles);
		}
		return user;
	}

	/**
	 * 新增保存用户信息
	 *
	 * @param user 用户信息
	 * @return 结果
	 */
	@Override
	@Transactional
	public int insertUser(SysUser user) {
		// 新增用户信息
		int rows = userMapper.insertUser(user);
		if(rows>0){
			// 新增用户岗位关联
			insertUserPost(user);
			// 新增用户与角色管理
			insertUserRole(user);
		}
		return rows;
	}

	/**
	 * 修改保存用户信息
	 *
	 * @param user 用户信息
	 * @return 结果
	 */
	@Override
	@Transactional
	public int updateUser(SysUser user) {
		int rowsAffect=userMapper.updateUser(user);
		if(rowsAffect>0){
			Long userId = user.getId();
			// 删除用户与角色关联
			userRoleMapper.deleteUserRoleByUserId(userId);
			// 新增用户与角色管理
			insertUserRole(user);
			// 删除用户与岗位关联
			userPostMapper.deleteUserPostByUserId(userId);
			// 新增用户与岗位管理
			insertUserPost(user);
		}
		return rowsAffect;
	}

	/**
	 * 修改用户头像
	 *
	 * @param userName 用户名
	 * @param avatar   头像地址
	 * @return 结果
	 */
	@Override
	public boolean updateUserAvatar(String userName, String avatar) {
		return userMapper.updateUserAvatar(userName, avatar) > 0;
	}

	/**
	 * 重置用户密码
	 *
	 * @param userName 用户名
	 * @param password 密码
	 * @return 结果
	 */
	@Override
	public int resetUserPwd(String userName, String password) {
		return userMapper.resetUserPwd(userName, password);
	}
	/**
	 * 重置用户密码
	 *
	 * @param user 用户信息
	 * @return 结果
	 */
	@Override
	public int resetPwd(SysUser user) {
		return userMapper.resetUserPwd(user.getUserName(),user.getPassword());
	}
	/**
	 * 通过用户ID删除用户
	 *
	 * @param userId 用户ID
	 * @param delBy 删除人
	 * @return 结果
	 */
	@Override
	@Transactional
	public int deleteUserById(Long userId,String delBy) {
		SysUser userItem = new SysUser();
		userItem.setId(userId);
		checkUserAllowed(userItem);
		checkUserDataScope(userId);
		int rowsAffect=userMapper.deleteUserById(userId,delBy);
		if (rowsAffect>0) {
			// 删除用户与角色关联
			userRoleMapper.deleteUserRoleByUserId(userId);
			// 删除用户与岗位表
			userPostMapper.deleteUserPostByUserId(userId);
		}
		return rowsAffect;
	}

	/**
	 * 批量删除用户信息
	 *
	 * @param userIds 需要删除的用户ID
	 * @param delBy 删除人
	 * @return 结果
	 */
	@Override
	@Transactional
	public int deleteUserByIds(Long[] userIds,String delBy) {
		for (Long userId : userIds) {
			SysUser userItem = new SysUser();
			userItem.setId(userId);
			checkUserAllowed(userItem);
			checkUserDataScope(userId);
		}
		int rowsAffect=userMapper.deleteUserByIds(userIds,delBy);
		if(rowsAffect>0){
			// 删除用户与角色关联
			userRoleMapper.deleteUserRole(userIds);
			// 删除用户与岗位关联
			userPostMapper.deleteUserPost(userIds);
		}
		return rowsAffect;
	}

	/**
	 * 校验用户名称是否唯一
	 *
	 * @param user 用户信息
	 * @return String
	 */
	@Override
	public String checkUserNameUnique(SysUser user) {
		Long userId = StringUtils.isNull(user.getId()) ? -1L : user.getId();
		SysUser info = userMapper.checkUserNameUnique(user.getUserName());
		if (StringUtils.isNotNull(info) && info.getId().longValue() != userId.longValue()) {
			return UserConstants.NOT_UNIQUE;
		}
		return UserConstants.UNIQUE;
	}

	/**
	 * 校验手机号码是否唯一
	 *
	 * @param user 用户信息
	 * @return String
	 */
	@Override
	public String checkPhoneUnique(SysUser user) {
		Long userId = StringUtils.isNull(user.getId()) ? -1L : user.getId();
		SysUser info = userMapper.checkPhoneUnique(user.getPhonenumber());
		if (StringUtils.isNotNull(info) && info.getId().longValue() != userId.longValue()) {
			return UserConstants.NOT_UNIQUE;
		}
		return UserConstants.UNIQUE;
	}

	/**
	 * 校验email是否唯一
	 *
	 * @param user 用户信息
	 * @return String
	 */
	@Override
	public String checkEmailUnique(SysUser user) {
		Long userId = StringUtils.isNull(user.getId()) ? -1L : user.getId();
		SysUser info = userMapper.checkEmailUnique(user.getEmail());
		if (StringUtils.isNotNull(info) && info.getId().longValue() != userId.longValue()) {
			return UserConstants.NOT_UNIQUE;
		}
		return UserConstants.UNIQUE;
	}

	/**
	 * 修改用户登录信息
	 *
	 * @param user 用户信息
	 * @return 结果
	 */
	@Override
	public int updateLogin(SysUser user){
		return userMapper.updateLogin(user);
	}

	/**
	 * 修改用户状态
	 *
	 * @param user 用户信息
	 * @return 结果
	 */
	@Override
	public int updateUserStatus(SysUser user) {
		return userMapper.updateUserStatus(user);
	}

	/**
	 * 修改用户基本信息
	 *
	 * @param user 用户信息
	 * @return 结果
	 */
	@Override
	public int updateUserProfile(SysUser user) {
		return userMapper.updateUserProfile(user);
	}

	/**
	 * 查询用户所属角色组
	 * 
	 * @param userName 用户名
	 * @return 结果
	 */
	@Override
	public String selectUserRoleGroup(String userName) {
		List<SysRole> list = roleMapper.selectRolesByUserName(userName);
		if (CollectionUtils.isEmpty(list)) {
			return StringUtils.EMPTY;
		}
		return list.stream().map(SysRole::getRoleName).collect(Collectors.joining(","));
	}

	/**
	 * 查询用户所属岗位组
	 * 
	 * @param userName 用户名
	 * @return 结果
	 */
	@Override
	public String selectUserPostGroup(String userName) {
		List<SysPost> list = postMapper.selectPostsByUserName(userName);
		if (CollectionUtils.isEmpty(list)) {
			return StringUtils.EMPTY;
		}
		return list.stream().map(SysPost::getPostName).collect(Collectors.joining(","));
	}
	/**
	 * 校验用户是否允许操作
	 * 
	 * @param user 用户信息
	 */
	@Override
	public void checkUserAllowed(SysUser user) {
		if (StringUtils.isNotNull(user.getId()) && AdminValid.userIsAdmin(user.getId())) {
			throw new ServiceException("不允许操作超级管理员用户");
		}
	}

	/**
	 * 校验用户是否有数据权限
	 * 
	 * @param userId 用户id
	 */
	@Override
	public void checkUserDataScope(Long userId) {
		if (!AdminValid.userIsAdmin(SecurityUtils.getUserId())) {
			SysUserQuery user = new SysUserQuery();
			user.setId(userId);
			List<SysUser> users = SpringUtils.getAopProxy(this).selectUserList(user);
			if (StringUtils.isEmpty(users)) {
				throw new ServiceException("没有权限访问用户数据！");
			}
		}
	}

	/**
	 * 注册用户信息
	 * 
	 * @param user 用户信息
	 * @return 结果
	 */
	@Override
	public boolean registerUser(SysUser user) {
		return userMapper.insertUser(user) > 0;
	}

	/**
	 * 用户授权角色
	 * 
	 * @param userId  用户ID
	 * @param roleIds 角色组
	 */
	@Override
	@Transactional
	public void insertUserAuth(Long userId, Long[] roleIds) {
		userRoleMapper.deleteUserRoleByUserId(userId);
		insertUserRole(userId, roleIds);
	}

	/**
	 * 导入用户数据
	 *
	 * @param userList        用户数据列表
	 * @param isUpdateSupport 是否更新支持，如果已存在，则进行更新数据
	 * @param operName        操作用户
	 * @return 结果
	 */
	@Override
	public String importUser(List<SysUser> userList, Boolean isUpdateSupport, String operName) {
		if (StringUtils.isNull(userList) || userList.size() == 0) {
			throw new ServiceException("导入用户数据不能为空！");
		}
		int successNum = 0;
		int failureNum = 0;
		StringBuilder successMsg = new StringBuilder();
		StringBuilder failureMsg = new StringBuilder();
		String password = configService.selectConfigByKey("sys.user.initPassword");
		for (SysUser user : userList) {
			try {
				// 验证是否存在这个用户
				SysUser u = userMapper.selectUserByUserName(user.getUserName());
				if (StringUtils.isNull(u)) {
					BeanValidators.validateWithException(validator, user);
					user.setPassword(SecurityUtils.encryptPassword(password));
					user.setCreateBy(operName);
					this.insertUser(user);
					successNum++;
					successMsg.append("<br/>" + successNum + "、账号 " + user.getUserName() + " 导入成功");
				} else if (isUpdateSupport) {
					BeanValidators.validateWithException(validator, user);
					checkUserAllowed(user);
					checkUserDataScope(user.getId());
					user.setUpdateBy(operName);
					this.updateUser(user);
					successNum++;
					successMsg.append("<br/>" + successNum + "、账号 " + user.getUserName() + " 更新成功");
				} else {
					failureNum++;
					failureMsg.append("<br/>" + failureNum + "、账号 " + user.getUserName() + " 已存在");
				}
			} catch (Exception e) {
				failureNum++;
				String msg = "<br/>" + failureNum + "、账号 " + user.getUserName() + " 导入失败：";
				failureMsg.append(msg + e.getMessage());
				log.error(msg, e);
			}
		}
		if (failureNum > 0) {
			failureMsg.insert(0, "很抱歉，导入失败！共 " + failureNum + " 条数据格式不正确，错误如下：");
			throw new ServiceException(failureMsg.toString());
		} else {
			successMsg.insert(0, "恭喜您，数据已全部导入成功！共 " + successNum + " 条，数据如下：");
		}
		return successMsg.toString();
	}

	/**
	 * 新增用户角色信息
	 * 
	 * @param user 用户对象
	 */
	private void insertUserRole(SysUser user) {
		this.insertUserRole(user.getId(), user.getRoleIds());
	}

	/**
	 * 新增用户岗位信息
	 * 
	 * @param user 用户对象
	 */
	private void insertUserPost(SysUser user) {
		Long[] posts = user.getPostIds();
		if (StringUtils.isNotEmpty(posts)) {
			// 新增用户与岗位管理
			List<SysUserPost> list = new ArrayList<SysUserPost>(posts.length);
			for (Long postId : posts) {
				SysUserPost up = new SysUserPost();
				up.setUserId(user.getId());
				up.setPostId(postId);
				list.add(up);
			}
			userPostMapper.batchUserPost(list);
		}
	}

	/**
	 * 新增用户角色信息
	 * 
	 * @param userId  用户ID
	 * @param roleIds 角色组
	 */
	private void insertUserRole(Long userId, Long[] roleIds) {
		if (StringUtils.isNotEmpty(roleIds)) {
			// 新增用户与角色管理
			List<SysUserRole> list = new ArrayList<SysUserRole>(roleIds.length);
			for (Long roleId : roleIds) {
				SysUserRole ur = new SysUserRole();
				ur.setUserId(userId);
				ur.setRoleId(roleId);
				list.add(ur);
			}
			userRoleMapper.batchUserRole(list);
		}
	}

}
